<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
        .taobao {
            width: 520px;
            height: 280px;
            margin: 100px auto;
            background-color: red;
            position: relative;
        }

        .left, .right {
            position: absolute;
            width: 22px;
            height: 30px;
            background-color: rgba(0,0,0,.3);
            top: 50%;
            margin-top: -10px;
            text-decoration: none;
            text-align: center;
            line-height: 30px;
            color: #fff;
        }

        .left {
            left: 0;
            border-top-right-radius: 18px;
            border-bottom-right-radius: 18px;
        }

        .right {
            right: 0;
            border-top-left-radius: 18px;
            border-bottom-left-radius: 18px;
        }

        .circle {
            position: absolute;
            width: 70px;
            height: 13px;
            left: 50%;
            margin-left: -35px;
            background-color: blue;
            bottom: 14px;
            background-color: rgba(255,255,255,.3);
            border-radius: 8px;
        }

        ol {
            list-style: none;
        }

        ol li {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #fff;
            float: left;
            margin: 3px;
        }

        ol li.active {
            background-color: red;
        }
    </style>
</head>
<body>
    <div class="taobao">
        <img src="./images/tb.jpg" alt="">
        <a href="#" class="left">&lt;</a>
        <a href="#" class="right">&lt;</a>
        <ol class="circle">
            <li class="active"></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ol>
    </div>
</body>
</html>